The COINTRAP female M 20 adjuster V is not approved for helmet applications. The COINTRAP Female M 20 Adjuster V is the perfect fastener for bags, purses, sporting goods, and other products. Its large base area with two lower grips ensures secure fastening, while its vertical adjustability adds versatility. The COINTRAP M 20 Adjuster V is compatible with the COINTRAP M UN High. Suitable for 20mm wide webbing, requires no special assembly tools.